FDSeries
Tricone Cutter/Single Cone
FD Tricone Cutter Series Size from 5 7/8-17 1/2 inch,Sealed Bearing can be Rubber Sealed or Metal Sealed,The most normal size are 8 1/2 and 12 1/4 inch.IADC Code from 117 to 837.
Tricone Cutter is usually used for making hole opener.
Bit Size | Bit Type | |
inch | mm | |
6 | 152.4 | 417/437/517/537/617/637/737/837 |
8 1/2 | 215.9 | 417/437/517/537/617/637/737/837 |
9 1/2 | 228.6 | 417/437/517/537/617/637/737/837 |
9 7/8 | 250.8 | 417/437/517/537/617/637/737/837 |
12 1/4 | 311.2 | 417/437/517/537/617/637/737/837 |